| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.81 | 0.06 |
| Feb | 1.03 | 0.99 | 0.04 |
| Mar | 1.98 | 2.12 | -0.14 |
| Apr | 3.80 | 3.82 | -0.02 |
| May | 4.90 | 4.85 | 0.05 |
| Jun | 5.32 | 5.38 | -0.06 |
| Jul | 4.17 | 4.05 | 0.12 |
| Aug | 4.05 | 4.20 | -0.15 |
| Sep | 3.24 | 2.87 | 0.37 |
| Oct | 2.43 | 2.29 | 0.14 |
| Nov | 1.59 | 1.64 | -0.05 |
| Dec | 1.26 | 1.28 | -0.02 |
34.64 | 34.30 | 0.34 |